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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV2021-1JA20 |
| Alternative Part Number | 3RV20211JA20 |
| Manufacturer | Siemens |
| Current Rating | 10 A |
| Voltage Rating | 690 V ac |
| Mounting Type | Screw Mount; Snap-On Mount |
| Interrupting Capacity | 100 kA (AC); 10 kA (DC) |
| Terminal Type | Spring Loaded |
| Trip Type | Thermal-Magnetic |
| Actuator Type | Knob |
| Dimensions | 45 x 96.8 x 119 mm |
| Commodity Code | 853620 |
| Protection Class | IP20 |
| Connection Type | Spring-loaded terminals |
| Conductor Cross-Section | Solid or stranded 2x (1 ... 10 mm²), Finely stranded with/without core end processing 2x (1 ... 6 mm²) |
| Safety Related Data | B10 value: 5 000, Failure rate: 50 FIT |
| Display Version for Status | Handle |
| Required Spacing | For grounded/live parts at 690 V: downwards/upwards 50 mm, at the side 30 mm |
The Siemens 3RV2021-1JA20 is a robust motor protection circuit breaker designed to safeguard motors in industrial applications. This circuit breaker, size S0, is engineered for motor protection and is equipped with a thermal-magnetic release mechanism to ensure reliable operation. It has a current rating of 10 A and can handle voltages up to 690 V ac, making it suitable for a wide range of motor protection tasks.
The device features a spring-loaded connection system for secure and efficient installation, and it can be mounted using either screw or snap-on methods onto a standard 35 mm DIN rail, providing flexibility in setup. The circuit breaker's compact dimensions, 45 x 96.8 x 119 mm, allow for efficient use of space inside control cabinets.
With a high short-circuit breaking capacity of 100 kA at AC and 10 kA at DC, the 3RV2021-1JA20 ensures reliable protection against short-circuit conditions, while the adjustable trip settings enable precise protection for motors according to their specific requirements. The unit's knob control offers straightforward manual operation, and its design includes phase disturbance recognition for additional motor safety.
This circuit breaker is a critical component for industrial automation systems, offering dependable protection to extend the lifespan of motors and reduce downtime due to electrical faults. Its durable construction and compliance with international standards make it a trusted choice for motor circuit protection in a variety of industrial settings.
Commonly Asked Questions
Is my order covered by a warranty?
Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Read more...Is Marvo a credible parts supplier?
Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
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Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Our service to you
Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.
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Frequently Asked Questions
What is the rated operational voltage for this motor protection circuit breaker?
The rated operational voltage for this circuit breaker is 690 V ac.
Can this circuit breaker be mounted on a DIN rail?
Yes, it is designed for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715.
What is the frequency of operation for this device at AC-3 according to IEC 60947-6-2?
The frequency of operation at AC-3 according to IEC 60947-6-2 is 1/h 15.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 45 mm in width, 96.8 mm in depth, and 119 mm in height.
What type of protection does this circuit breaker offer?
This circuit breaker offers thermal-magnetic protection with overload and phase disturbance recognition.
Is there an adjustable response current for the overload release?
Yes, the current-dependent overload release is adjustable with a response current range of 7 to 10 A.
What is the breaking capacity limit for short-circuit current?
The breaking capacity limit for short-circuit current at 400 V is rated at 100 kA.
What is the protection class on the front of this device?
The protection class on the front of this device is IP20.
What is the ambient temperature range for operating this circuit breaker?
The ambient temperature range for operating this circuit breaker is from -20 °C to +60 °C.
What is the product brand name for this circuit breaker?
The product brand name for this circuit breaker is SIRIUS.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
